Preheat oven to 375 degrees F.,In a saute pan over medium heat, add extra-virgin olive oil.,______,Add the carrot and cook for 3 minutes.,Add the zucchini and squash cook for 5 minutes.,Add asparagus and cook for 2 minutes.,Remove from heat when all vegetables are completely cooked but still have a good crunch.,Allow to cool.,Using a 6-inch round cookie cutter, cut circles out of the lasagna sheets.,You will need 18 circles.,Coat the bottom of 6 (6-inch) gratin dishes with a teaspoon of tomato sauce in each.,Place a circle of pasta on the bottom of each ramekin.,Rinse the beans with water and season with salt and pepper.,Divide the beans between each ramekin.,Next, divide the spinach between the ramekins.,Place a second layer of pasta on top and gently press down.,Divide the sauteed vegetables among the ramekins and top with a tablespoon of tomato sauce in each.,Place the third layer of pasta in each ramekin and coat with a tablespoon of tomato sauce.,Sprinkle ramekins with the mozzarella and Parmesan cheeses, and top each with 1/2 tablespoon of butter.,Line a baking sheet with aluminum foil and place gratin dishes on top.,Bake in oven for 20 minutes or until brown and bubbling.